Why is Saturday stronger than Monday?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

I am a word of 12 alphabets.

* Alphabets 12, 4, 7, 2, 5 : Eastern beast of burden
* Alphabets 1, 8, 10, 9 are street made famous by Sinclair Lewis.
* Alphabets 11, 3, 6 are past.

On whole it means a person suffering from delusions of greatness.

What Is it ?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Why is the Hole below a Lock?

If 1+9+8=1, what is 2+8+9?

Can you name four days which start with the letter 'T'?